What powers 
opravarna.cz?
Last seen Aug 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Feb 2019
CDN
CMS
MODX
since Feb 2019
Font scripts
Ionicons
since Feb 2019
JavaScript libraries
Maps
Google Maps
since Feb 2019
Miscellaneous
PWA
since Aug 2022
Operating systems
Debian
since Feb 2019
Programming languages
PHP
since Feb 2019
Security
Cloudflare Bot Management
since Aug 2024
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.90 / 10 · ranked #652,228 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 61 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VODAFONE-CZ-AS (93.90.167.55)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,658,287, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Apache HTTP Server Jul 2026
- detected Bootstrap Jul 2026
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected core-js Jul 2026
- detected Debian Jul 2026
- detected Facebook Pixel Jul 2026
- detected Google Analytics Jul 2026
- detected Google Maps Jul 2026
- detected Ionicons Jul 2026
- detected jQuery Jul 2026
- detected jQuery CDN Jul 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026
- detected Microsoft 365 Jul 2026
- detected MODX Jul 2026
- detected Moment.js Jul 2026
- detected PHP Jul 2026
- detected PWA Jul 2026